question_answer

An aqueous solution contains the ions as \[Hg_{2}^{2+},\] \[H{{g}^{2+}},\] \[P{{b}^{2+}},\] and \[C{{d}^{2+}}\]. The addition of dilute \[HCl\left( 6N \right)\] precipitates [IIT 1995]

A) \[H{{g}_{2}}C{{l}_{2}}\] only

B) \[PbC{{l}_{2}}\] only

C) \[PbC{{l}_{2}}\] and \[HgC{{l}_{2}}\]

D) \[H{{g}_{2}}C{{l}_{2}}\] and \[PbC{{l}_{2}}\]